Vitreoscilla ferment

Made from a bacterium that can help cells utilize oxygen better in vitro (Source:Journal of Biotechnology, January 2001, pages 57–66). Whether that effect can be translated to benefit skin cells via a cosmetic formulation is unknown.

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Paula Begoun is the best-selling author of 20 books on skin care and makeup. She is known worldwide as the Cosmetics Cop and creator of Paula's Choice. Paula's expertise has led to hundreds of appearances on national and international television including:

Paula Begoun in the Media

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The Paula's Choice Research Team is dedicated to helping you find the absolute best products for your skin, using research-based criteria to review beauty products from an honest, balanced perspective. Each member of the team was personally trained by Paula herself.